Home / 886,916.20-1,330,374.30-255,850.60

Finding the Fourth Proportional to 886,916.20, 1,330,374.30 and 255,850.60

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Solution

The fourth proportional to 886,916.20, 1,330,374.30 and 255,850.60 is: 383,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,916.20 : 1,330,374.30 = 255,850.60 : x
  2. Step 2: Convert to fraction form
    886,916.20/1,330,374.30 = 255,850.60/x
  3. Step 3: Cross multiply
    886,916.20x = 1,330,374.30 × 255,850.60
  4. Step 4: Simplify right side
    886,916.20x = 340,377,062,879.58
  5. Step 5: Solve for x
    x = 340,377,062,879.58/886,916.20
  6. Step 6: Final answer
    x = 383,775.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.